Drug interactions
Triptorelin + Valbenazine
Severity: Moderate
Triptorelin and Valbenazine: moderate interaction.
Last updated
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Summary
Valbenazine can prolong the QT interval at higher exposures, and triptorelin has a similar effect. Combined use may add to the risk of torsades de pointes, especially in patients with long QT syndrome or reduced CYP2D6 metabolism.
What this interaction means in plain words
Triptorelin and Valbenazine can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Triptorelin belongs to Endocrine; Valbenazine belongs to Central Nervous System.
Why it happens
Additive pharmacodynamic QT prolongation.
What to do
Review ECG and electrolytes before starting and when doses change. Avoid in patients with congenital long QT syndrome or a history of arrhythmia.
What to ask your pharmacist
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Triptorelin and Valbenazine, the additional notes, the evidence detail and the whole-prescription interaction checker.
- Full clinical management advice
- Additional notes
- Evidence detail
- Interaction checker for a whole prescription
Try Pro+ free for 14 days on the web. No card needed.
Other interactions of Triptorelin
Other interactions of Valbenazine
- Deutetrabenazine + Valbenazine Contraindicated
- Tranylcypromine + Valbenazine Contraindicated
- Amiodarone + Valbenazine Major
- Amisulpride + Valbenazine Major
- Apalutamide + Valbenazine Major
- Carbamazepine + Valbenazine Major
Frequently asked questions
Can I take Triptorelin with Valbenazine?
MediHelp rates the interaction as moderate. Triptorelin and Valbenazine can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Valbenazine can prolong the QT interval at higher exposures, and triptorelin has a similar effect. Combined use may add to the risk of torsades de pointes, especially in patients with long QT syndrome or reduced CYP2D6 metabolism.
How serious is the interaction between Triptorelin and Valbenazine?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Review ECG and electrolytes before starting and when doses change. Avoid in patients with congenital long QT syndrome or a history of arrhythmia.
What other medicines interact with Triptorelin?
MediHelp also lists interactions of Triptorelin with, for example, Amisulpride, Arsenic trioxide, Bedaquiline. The full list is on the Triptorelin page.
Full monographs, dosing and an interaction checker in the MediHelp app
Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.
